100001220010 has 16 divisors (see below), whose sum is σ = 180147733416. Its totient is φ = 39968146368.

The previous prime is 100001219947. The next prime is 100001220023. The reversal of 100001220010 is 10022100001.

It can be written as a sum of positive squares in 4 ways, for example, as 100000780441 + 439569 = 316229^2 + 663^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100001219975 and 100001220002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4029717 + ... + 4054456.

Almost surely, 2^100001220010 is an apocalyptic number.

100001220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100001220010 is a deficient number, since it is larger than the sum of its proper divisors (80146513406).

100001220010 is a wasteful number, since it uses less digits than its factorization.

100001220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8085417.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100001220010 its reverse (10022100001), we get a palindrome (110023320011).

The spelling of 100001220010 in words is "one hundred billion, one million, two hundred twenty thousand, ten".